The Hidden Forces Behind Stocks' Sharp Fall

P.M. Edition for February 27th: As coronavirus fears ripple through markets, The Wall Street Journal's Gunjan Banerji reveals the invisible forces that are exacerbating this week's wild swings. And the Journal's Josh Mitchell looks at the political reality facing Sen. Bernie Sanders' plan to wipe out Americans' $1.6 trillion in student-loan debt. Charlie Turner hosts. Learn more about your ad choices. Visit megaphone.fm/adchoices